60 lines
1.9 KiB
TypeScript
60 lines
1.9 KiB
TypeScript
import { join } from 'path'
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import { logger } from '@server/helpers/logger'
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import { doRequestAndSaveToFile } from '@server/helpers/requests'
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import { CONFIG } from '../../initializers/config'
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import { FILES_CACHE } from '../../initializers/constants'
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import { VideoModel } from '../../models/video/video'
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import { VideoCaptionModel } from '../../models/video/video-caption'
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import { AbstractVideoStaticFileCache } from './abstract-video-static-file-cache'
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class VideosCaptionCache extends AbstractVideoStaticFileCache <string> {
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private static instance: VideosCaptionCache
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private constructor () {
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super()
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}
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static get Instance () {
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return this.instance || (this.instance = new this())
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}
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async getFilePathImpl (filename: string) {
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const videoCaption = await VideoCaptionModel.loadWithVideoByFilename(filename)
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if (!videoCaption) return undefined
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if (videoCaption.isOwned()) return { isOwned: true, path: join(CONFIG.STORAGE.CAPTIONS_DIR, videoCaption.filename) }
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return this.loadRemoteFile(filename)
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}
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// Key is the caption filename
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protected async loadRemoteFile (key: string) {
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const videoCaption = await VideoCaptionModel.loadWithVideoByFilename(key)
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if (!videoCaption) return undefined
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if (videoCaption.isOwned()) throw new Error('Cannot load remote caption of owned video.')
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// Used to fetch the path
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const video = await VideoModel.loadFull(videoCaption.videoId)
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if (!video) return undefined
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const remoteUrl = videoCaption.getFileUrl(video)
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const destPath = join(FILES_CACHE.VIDEO_CAPTIONS.DIRECTORY, videoCaption.filename)
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try {
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await doRequestAndSaveToFile(remoteUrl, destPath)
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return { isOwned: false, path: destPath }
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} catch (err) {
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logger.info('Cannot fetch remote caption file %s.', remoteUrl, { err })
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return undefined
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}
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}
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}
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export {
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VideosCaptionCache
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}
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